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#1
Posted to rec.audio.tubes
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Audio Ground 10 ohms above powersupply ground??
I've noticed some designs place their audio ground 10 ohms above power
supply (chassis) ground. Sometimes this includes all the grounds of the preamp and driver circuitry as well as the input (RCA) jack. Anyone know the theory behind this? In a typical input/driver stage drawing say 20 mA, the 10 ohm resistor will float "0" volts aprox .2 volts above power supply ground. Can this be a good thing? Any comments appreciated. RonL |
#2
Posted to rec.audio.tubes
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Audio Ground 10 ohms above powersupply ground??
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